I don't have any pictures. But I can tell you where they are located. The Ford Expeditions have (4) O2 sensors. They are 2 in front of the CATs. and 2 behind the CATs. They cost around $50.00 each at Auto Zone. You will need a special socket and some PB blaster to take them off... I had the same problem on my 1998 Ford Expediton XLT 4.6L and what I did was bought 2 of the biggest bottles of Fuel injector cleaners, also fill up the tank with gas and after a week of so it clear the O2 sensor codes and it also clean them. So I save my seft lots of money and labor.
Where would I find the factory key code location on a 2003 Expedition?
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No picture, but... It is on the inside of the frame on the drivers side about even with the drivers door handle... It's the only thing attached to the gas line right there that can be removed ...
2003 relay fuel?
In center console...
no
you will almost always have to replace them.
hai my car is ford fiesta zetec 2003 5door ,in my cay o2 sensor have fault .can you tell me how many o2 sensor are there and were is location